Raster Graphics & Vector Graphics
All digital graphic images can be divided into one of two fundamental types:
Vector Graphics and Raster Graphics (bitmap, pixel).
Raster Graphics (commonly called bitmap images) are made of pixels.
Photographs are an example of a bitmap image. They have a fixed resolution and cannot be resized larger without losing quality.
Common bitmap file formats end in: .gif .jpg .png .tiff & .bmp
Bitmap images typically have much larger file sizes than the same image as a vector graphic so they are often compressed to reduce their size.
Bitmap images can be converted from one format to
another with programs such as Photoshop.
Vector Graphics are images that have been created in a drawing program such as Adobe Illustrator. They use paths to create lines and curves at connecting points called "nodes" to store the graphic's information mathematically. Vector art is resolution independent; whether you enlarge or shrink the image, the output quality is never compromised. This is why logos should always be created in vector art format.
Vector graphics formats are complementary to raster graphics. There are some instances when working with vector graphics is best, and other instances when working with a raster image is better.
Most marketing materials actually contain a combination of both raster and vector art formats. An understanding of the advantages & limitations of each format and the relationship between them is most likely to result in efficient and effective use of tools.
Understanding raster graphics v.s. vector graphics is important in choosing which design program to use for a particular project. Logos should always be created in vector art format because you want your corporate logo to be scalable — able to be enlarged without any loss of quality.
Graphic Connection is a freelance graphic design studio based in Lee's Summit, Missouri. We make creative ideas "come to life" in print and on the world wide web.
The first step in the design process is to discuss what your project goals are and the audience you are trying to reach. Once I have a feel for who you are and what you do, we can begin looking for ways to communicate your message visually.
As a freelance graphic designer with "on hands" experience in a commercial printing facility, I offer many advantages which can save your company both time and money when it comes to printing your design project.
To see some of sample designs in my portfolio click here.
For a price quote on a presentation folder or any other design project click here.
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